How HDD Write Data
- LMR (Longitudinal Magnetic Recording)
- PMR (Perpendicular Magnetic Recording) - 2 types of PMR disks:
- CMR - conventional PMR
- SMR - shingled PMR
- EAMR (Energy Assisted Magnetic Recording)
|
LMR (Longitudinal Magnetic Recording) |
PMR (Perpendicular Magnetic Recording) |
|---|---|
|
Early HDDs used LMR
|
Newer HDDs use perpendicular magnetic recording
|
|
CMR (Conventional Magnetic Recording) |
SMR (Shingled Magnetic Recording) |
|
|
|
---fixed-disk/hdd---storage-modes-(lmr---pmr---smr---cmr---eamr---hamr)/lmr.png)
---fixed-disk/hdd---storage-modes-(lmr---pmr---smr---cmr---eamr---hamr)/pmr.png)
---fixed-disk/hdd---storage-modes-(lmr---pmr---smr---cmr---eamr---hamr)/cmr.png)
---fixed-disk/hdd---storage-modes-(lmr---pmr---smr---cmr---eamr---hamr)/smr.png)